/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDRigidClustering.h
CleanupInternalClustersForProxies For a given set of physics proxies, cleanup any tracked internal clusters that we've marked as being empty.
void CleanupInternalClustersForProxies ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< [IPhysicsProxyBase](API\Runtime\Chaos\Chaos\Framework\IPhysicsProxyBase) * > Proxies )